Norikura 25-cm, 2009.10.16 Observers: Shinoda,Suzuki,Tanaka, IR_prominence obs. with NHK [[ Setup ]] Wavelength: 10930 Focus & order: G1 2nd GC(grating): 17.237 Filters: R85 Slit: 200um Binning: 2X2 Obj.lens: doublet f_lamda: 13.0 d_lamda: 286 1.E_limb near Prominence prom00_000 - 020 step:4"X21step,exp:5S diff00 diff+ND25 diff01 diff+ND25 flat00 diff+ND0.3+13 flat01 diff+ND0.3+13 dark00 dark01